Granted Patent
Utility
US 5,637,804 · App. 08/553,107
Mass flowmeter
Inventor:
Henning Max Hansen
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Nov 3, 1995
Inventor
Henning Max Hansen
Assignee (at issue)
DANFOSS A/S
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.